Black demon may refer to:
- Black demon, the black demons found throughout the world
- Black demon (Demon Flash Mobs), black demons encountered in Demon Flash Mobs
- Black demon (Dungeoneering), encountered in Dungeoneering
- Black demon (The Grand Tree), encountered in The Grand Tree quest
- Black demon (God Emissaries), encountered in God Emissaries
- Pit black demon, a player-owned house monster
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